APA aipamena

Ries, A. (2000). Positioningthe battle for your mind. McGraw-Hill.

Chicago Style aipamena

Ries, Al. Positioningthe Battle for Your Mind. McGraw-Hill, 2000.

MLA aipamena

Ries, Al. Positioningthe Battle for Your Mind. McGraw-Hill, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.